Brouffier lake by way Bonniot.

Description

Set off to conquer Lac du Brouffier, a wild mountain lake with crystal-clear water.
The entire route offers breathtaking panoramic views. On the way back via the Côte des Salières, you'll feel like you're walking above Grenoble, almost flying!

Lac du Brouffier – A Picture-Perfect Mountain Hike

Lac du Brouffier is everything you could wish for in a mountain lake: crystal-clear water, pristine surroundings, and exceptional views. The perfect recipe for a memorable hiking adventure! On the way back via the Côte des Salières, you’ll be rewarded with a breathtaking 360° panorama: walk seemingly above the city of Grenoble, spread out just below your feet, and take in stunning views of the surrounding massifs — Obiou, Grand Serre, Vercors, Chartreuse, and Belledonne. A hike you’ll never forget!

Route:
From the resort, take the road to Lac du Poursollet. After about 4 km, park at the fourth hairpin turn. From there, take the flat path to the right named Bonniot (marked with a no-entry sign). This trail leads to the Cabane du Louvet (once home to wolves) and the tiny Lac de Prévourey. At the cabane, continue straight ahead — the path to Lac du Brouffier is also signposted to the left; this will be your return route.

Cross the valley towards the end of the combe. A determined path climbs along the stream’s axis. As the slope eases, the trail approaches and crosses the stream. A few switchbacks on the opposite bank lead you up the lake’s natural threshold, finally arriving at its outlet after a last traverse to the right. For the descent, follow the path along the left side of the lake (you’ll see it clearly) and veer toward a small cabin marking the start of the return trail. Climb slightly, then descend to the hiking signpost Les Fontenettes. From there, turn left in the direction of Cabane du Louvet and Lac de Prévourey.

Important!
You are hiking in a protected natural area. Please stay on marked trails, keep dogs on a leash, do not light fires, and carry your waste back with you or to the nearest bins. Respecting and preserving this environment is essential!
Looking to swim? Use the designated lake in the heart of the resort.

Track

Distance:
7 km
Level difference:
624 m
Daily duration:
3h
Level:
Walkers/hikers, Level red – hard
Type:
Loop

Equipments

  •  Not accessible in a wheelchair
  •  Pets welcome

Situation

Access to the Trailhead – Bonniot Path (Lac du Brouffier)

Take the Route du Poursollet:
If you're coming from Grenoble: Take the first road on the left just after the entrance sign “ALPE DU GRAND SERRE.”
If you're coming from La Mure: Drive through the entire village. At the very top of the road — just before it starts to descend toward Séchilienne — turn left onto the Route du Poursollet.

Follow this road uphill until you reach the fourth hairpin turn, where there is space to park.
The Bonniot path starts right from the inside of the bend.

  • Latitude: 45.036053
  • Longitude: 5.861340
Route

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